16923775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 24998400

約数和(自身を除く): 8074625

約数列:

[1, 5, 11, 19, 25, 41, 55, 79, 95, 205, 209, 275, 395, 451, 475, 779, 869, 1025, 1045, 1501, 1975, 2255, 3239, 3895, 4345, 5225, 7505, 8569, 11275, 16195, 16511, 19475, 21725, 35629, 37525, 42845, 61541, 80975, 82555, 178145, 214225, 307705, 412775, 676951, 890725, 1538525, 3384755, 16923775]

約数ペア:

[(1, 16923775), (5, 3384755), (11, 1538525), (19, 890725), (25, 676951), (41, 412775), (55, 307705), (79, 214225), (95, 178145), (205, 82555), (209, 80975), (275, 61541), (395, 42845), (451, 37525), (475, 35629), (779, 21725), (869, 19475), (1025, 16511), (1045, 16195), (1501, 11275), (1975, 8569), (2255, 7505), (3239, 5225), (3895, 4345)]